Dachiardite
2.21 ct
Cushion Cut
8.50 x 7.40 x 6.00 mm
H4-5
Alpe di Siusi,Bolzano,
Trention Alto Adige,
Italy.
max1361

is a rare zeolite minerale
(Na2,Ca,K2)4Al4Si20O48•13(H2O)